<template>
  <router-link to="/home">首页</router-link>
  <router-link to="/app/app-vue3-2">vue-app2</router-link>
  &nbsp;
  <router-link to="/app/app-vue3?params1=1">vue-app3</router-link>

  <router-view />
</template>

<style>
.logo {
  height: 6em;
  padding: 1.5em;
  will-change: filter;
  transition: filter 300ms;
}
.logo:hover {
  filter: drop-shadow(0 0 2em #646cffaa);
}
.logo.vue:hover {
  filter: drop-shadow(0 0 2em #42b883aa);
}
h2 {
  color: red;
}
</style>

